英语词汇principal diagonal是什么意思，principal diagonal的用法、释义、翻译、读音、例句、短语词组-英汉汉英翻译词典

单词	principal diagonal
释义	DEFINITIVE EXAMPLES 权威例句〔trace〕The sum of the elements of the principal diagonal of a matrix.一矩阵中主对角线元素之和美国传统
随便看	good neighbor policy good neighbourly relations good news good news Good news goes on crutches good news goes on crutches good night good night good night good night! Good night! good observability good offices good offices good oil good old good old good old good old days good old days good old days good old time good old time good omen good onion

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